Use VManip for laser update
parent
1138bc4eb8
commit
5f65950bf4
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@ -1,7 +1,7 @@
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lzr_globals = {}
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lzr_globals.PLAYFIELD_START = { x = -50, y = 0, z = -50 }
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lzr_globals.PLAYFIELD_SIZE = { x = 100, y = 100, z = 100 }
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lzr_globals.PLAYFIELD_START = { x = -5, y = 0, z = -5 }
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lzr_globals.PLAYFIELD_SIZE = { x = 20, y = 20, z = 20 }
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lzr_globals.PLAYFIELD_END = vector.add(lzr_globals.PLAYFIELD_START, lzr_globals.PLAYFIELD_SIZE)
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lzr_globals.LEVEL_POS = { x = 0, y = 0, z = 0 }
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lzr_globals.MENU_SHIP_POS = { x = -500, y = -4, z = -500 }
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@ -3,44 +3,46 @@ local MAX_LASER_ITERATIONS = 10000
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-- Add a laser node to pos with the direction `dir`.
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-- Dir is a direction vector, and only one direction must be set
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function lzr_laser.add_laser(pos, dir)
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function lzr_laser.add_laser(pos, dir, varea, vdata)
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-- Check if laser is still within the playfield
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if pos.x < lzr_globals.PLAYFIELD_START.x or pos.x > lzr_globals.PLAYFIELD_END.x or
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pos.y < lzr_globals.PLAYFIELD_START.y or pos.y > lzr_globals.PLAYFIELD_END.y or
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pos.z < lzr_globals.PLAYFIELD_START.z or pos.z > lzr_globals.PLAYFIELD_END.z then
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return false
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end
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local node = minetest.get_node(pos)
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local vi = varea:indexp(pos)
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local content_id = vdata[vi]
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local nodename = minetest.get_name_from_content_id(content_id)
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-- Laser through air
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if node.name == "air" then
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if content_id == minetest.CONTENT_AIR then
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local dirs = lzr_laser.vector_to_dirs(dir)
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local dirstring = lzr_laser.dirs_to_dirstring(dirs)
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minetest.set_node(pos, {name="lzr_laser:laser_"..dirstring})
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vdata[vi] = minetest.get_content_id("lzr_laser:laser_"..dirstring)
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pos = vector.add(pos, dir)
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return {{pos, dir}}
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-- Laser through laser (laser intersection)
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elseif minetest.get_item_group(node.name, "laser") > 0 then
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local dirnum = minetest.get_item_group(node.name, "laser")
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elseif minetest.get_item_group(nodename, "laser") > 0 then
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local dirnum = minetest.get_item_group(nodename, "laser")
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local dirstring_old = lzr_laser.dec2bin(dirnum, 3)
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local dirs_new = lzr_laser.vector_to_dirs(dir)
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local dirstring_new = lzr_laser.dirs_to_dirstring(dirs_new)
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local place_dirstring = lzr_laser.bitwise_or(dirstring_old, dirstring_new)
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minetest.set_node(pos, {name="lzr_laser:laser_"..place_dirstring})
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vdata[vi] = minetest.get_content_id("lzr_laser:laser_"..place_dirstring)
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pos = vector.add(pos, dir)
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return {{pos, dir}}
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-- Mirror laser
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elseif minetest.get_item_group(node.name, "mirror") > 0 then
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elseif minetest.get_item_group(nodename, "mirror") > 0 then
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local mirror_dir = lzr_laser.get_mirrored_laser_dir(pos, dir)
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if mirror_dir then
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local def = minetest.registered_nodes[node.name]
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local def = minetest.registered_nodes[nodename]
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local active = def._lzr_active
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if not active then
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return false
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end
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-- Activate mirror node
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minetest.set_node(pos, {name=def._lzr_active, param2 = node.param2})
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vdata[vi] = minetest.get_content_id(def._lzr_active)
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-- Set new pos and dir
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pos = vector.add(pos, mirror_dir)
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dir = mirror_dir
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@ -49,16 +51,16 @@ function lzr_laser.add_laser(pos, dir)
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return false
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end
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-- Mirror and split laser
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elseif minetest.get_item_group(node.name, "transmissive_mirror") > 0 then
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elseif minetest.get_item_group(nodename, "transmissive_mirror") > 0 then
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local mirror_dir = lzr_laser.get_mirrored_laser_dir(pos, dir)
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if mirror_dir then
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local def = minetest.registered_nodes[node.name]
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local def = minetest.registered_nodes[nodename]
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local active = def._lzr_active
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if not active then
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return false
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end
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-- Activate mirror node
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minetest.set_node(pos, {name=active, param2 = node.param2})
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vdata[vi] = minetest.get_content_id(active)
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-- Set new pos and dir
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local pos_straight = vector.add(pos, dir)
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local dir_straight = dir
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@ -69,14 +71,14 @@ function lzr_laser.add_laser(pos, dir)
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return false
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end
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-- Spread laser to all directions
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elseif minetest.get_item_group(node.name, "crystal") > 0 then
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local def = minetest.registered_nodes[node.name]
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elseif minetest.get_item_group(nodename, "crystal") > 0 then
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local def = minetest.registered_nodes[nodename]
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local active = def._lzr_active
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if not active then
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return false
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end
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-- Activate node
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minetest.set_node(pos, {name=active, param2 = node.param2})
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vdata[vi] = minetest.get_content_id(active)
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-- Set dirs
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local dirs = {
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{ x = 0, y = -1, z = 0 },
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@ -98,13 +100,13 @@ function lzr_laser.add_laser(pos, dir)
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end
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return output
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-- Detector
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elseif minetest.get_item_group(node.name, "detector") > 0 then
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elseif minetest.get_item_group(nodename, "detector") > 0 then
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local detected = lzr_laser.check_detector(pos, dir)
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if detected then
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local def = minetest.registered_nodes[node.name]
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local def = minetest.registered_nodes[nodename]
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local active = def._lzr_active
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-- Activate node
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minetest.set_node(pos, {name=active, param2 = node.param2})
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vdata[vi] = minetest.get_content_id(active)
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local done = lzr_laser.check_detectors_in_area(lzr_globals.PLAYFIELD_START, lzr_globals.PLAYFIELD_END)
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if done then
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lzr_levels.next_level()
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@ -118,19 +120,24 @@ function lzr_laser.add_laser(pos, dir)
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end
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end
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function lzr_laser.emit_laser(pos)
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local node = minetest.get_node(pos)
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if minetest.get_item_group(node.name, "emitter") == 0 then
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function lzr_laser.emit_laser(pos, varea, vdata, vdata_p2)
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local vi = varea:indexp(pos)
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local content_id = vdata[vi]
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local nodename = minetest.get_name_from_content_id(content_id)
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if minetest.get_item_group(nodename, "emitter") == 0 then
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minetest.log("error", "[lzr_laser] lzr_laser.emit_laser was called at invalid pos!")
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return false
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end
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local dir = minetest.facedir_to_dir(node.param2)
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local param2 = vdata_p2[vi]
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local dir = minetest.facedir_to_dir(param2)
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dir = vector.multiply(dir, -1)
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local i_pos = vector.add(pos, dir)
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lzr_laser.travel_laser(i_pos, dir)
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lzr_laser.travel_laser(i_pos, dir, varea, vdata)
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end
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function lzr_laser.travel_laser(pos, dir)
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function lzr_laser.travel_laser(pos, dir, varea, vdata)
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local i_pos = table.copy(pos)
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local cond = true
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local next_lasers = {{i_pos, dir}}
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@ -143,7 +150,7 @@ function lzr_laser.travel_laser(pos, dir)
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break
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end
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local next_laser = next_lasers[1]
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local add_laser_result = lzr_laser.add_laser(next_laser[1], next_laser[2])
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local add_laser_result = lzr_laser.add_laser(next_laser[1], next_laser[2], varea, vdata)
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table.remove(next_lasers, 1)
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if add_laser_result ~= false then
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for a=1, #add_laser_result do
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@ -183,15 +190,26 @@ end
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-- Emit lasers from all active emitters
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function lzr_laser.emit_lasers_in_area(pos1, pos2)
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local vmanip = minetest.get_voxel_manip(pos1, pos2)
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local vpos1, vpos2 = vmanip:get_emerged_area()
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local varea = VoxelArea:new({MinEdge = vpos1, MaxEdge = vpos2})
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local vdata = vmanip:get_data()
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local vdata_p2 = vmanip:get_param2_data()
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local emitters = minetest.find_nodes_in_area(pos1, pos2, {"group:emitter"})
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for e=1, #emitters do
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local epos = emitters[e]
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local emitter = minetest.get_node(epos)
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local is_active = minetest.get_item_group(emitter.name, "emitter") == 2
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local vi = varea:indexp(epos)
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local emitter_cid = vdata[vi]
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local emittername = minetest.get_name_from_content_id(emitter_cid)
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local is_active = minetest.get_item_group(emittername, "emitter") == 2
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if is_active then
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lzr_laser.emit_laser(emitters[e])
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lzr_laser.emit_laser(emitters[e], varea, vdata, vdata_p2)
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end
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end
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vmanip:set_data(vdata)
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vmanip:set_param2_data(vdata_p2)
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vmanip:write_to_map()
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end
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-- Return true if all detectors in area are on (including if no detector)
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